@misc{indiciae484c338e2158,
  title = {Nonsecretory multiple myeloma.},
  author = {I Frydecka and A Harłozińska and S Kotlarek-Haus},
  year = {1981},
  url = {https://pubmed.ncbi.nlm.nih.gov/7019026/},
  note = {Source identifier: 7019026}
}